source3/lib/sysquotas_linux.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    System QUOTA function wrappers for LINUX
   4    Copyright (C) Stefan (metze) Metzmacher      2003
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21
  22 #include "includes.h"
  23
  24 #undef DBGC_CLASS
  25 #define DBGC_CLASS DBGC_QUOTA
  26
  27 #ifndef HAVE_SYS_QUOTAS
  28 #ifdef HAVE_QUOTACTL_LINUX
  29 #undef HAVE_QUOTACTL_LINUX
  30 #endif
  31 #endif
  32
  33 #ifdef HAVE_QUOTACTL_LINUX
  34
  35 #include "samba_linux_quota.h"
  36
  37 /****************************************************************************
  38  Abstract out the v1 Linux quota get calls.
  39 ****************************************************************************/
  40 static int sys_get_linux_v1_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
  41 {
  42         int ret = -1;
  43         uint32 qflags = 0;
  44         struct v1_kern_dqblk D;
  45         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
  46
  47         ZERO_STRUCT(D);
  48
  49         switch (qtype) {
  50                 case SMB_USER_QUOTA_TYPE:
  51                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
  52                                 path, bdev, (unsigned)id.uid));
  53
  54                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))&&errno != EDQUOT) {
  55                                 return ret;
  56                         }
  57
  58                         break;
  59                 case SMB_GROUP_QUOTA_TYPE:
  60                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
  61                                 path, bdev, (unsigned)id.gid));
  62
  63                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))&&errno != EDQUOT) {
  64                                 return ret;
  65                         }
  66
  67                         break;
  68                 case SMB_USER_FS_QUOTA_TYPE:
  69                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
  70                                 path, bdev, (unsigned)id.uid));
  71
  72                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
  73                                 qflags |= QUOTAS_DENY_DISK;
  74                         }
  75
  76                         break;
  77                 case SMB_GROUP_FS_QUOTA_TYPE:
  78                         DEBUG(10,("sys_get_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
  79                                 path, bdev, (unsigned)id.gid));
  80
  81                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
  82                                 qflags |= QUOTAS_DENY_DISK;
  83                         }
  84
  85                         break;
  86                 default:
  87                         errno = ENOSYS;
  88                         return -1;
  89         }
  90
  91         dp->bsize = bsize;
  92         dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
  93         dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
  94         dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
  95         dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
  96         dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
  97         dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
  98
  99
 100         dp->qflags = qflags;
 101
 102         return ret;
 103 }
 104
 105 /****************************************************************************
 106  Abstract out the v1 Linux quota set calls.
 107 ****************************************************************************/
 108 static int sys_set_linux_v1_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 109 {
 110         int ret = -1;
 111         uint32 qflags = 0;
 112         uint32 oldqflags = 0;
 113         struct v1_kern_dqblk D;
 114         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 115
 116         ZERO_STRUCT(D);
 117
 118         if (bsize == dp->bsize) {
 119                 D.dqb_bsoftlimit = dp->softlimit;
 120                 D.dqb_bhardlimit = dp->hardlimit;
 121                 D.dqb_ihardlimit = dp->ihardlimit;
 122                 D.dqb_isoftlimit = dp->isoftlimit;
 123         } else {
 124                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
 125                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
 126                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 127                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
 128         }
 129
 130         qflags = dp->qflags;
 131
 132         switch (qtype) {
 133                 case SMB_USER_QUOTA_TYPE:
 134                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 135                                 path, bdev, (unsigned)id.uid));
 136
 137                         ret = quotactl(QCMD(Q_V1_SETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 138                         break;
 139                 case SMB_GROUP_QUOTA_TYPE:
 140                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 141                                 path, bdev, (unsigned)id.gid));
 142
 143                         ret = quotactl(QCMD(Q_V1_SETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 144                         break;
 145                 case SMB_USER_FS_QUOTA_TYPE:
 146                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 147                                 path, bdev, (unsigned)id.uid));
 148
 149                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 150                                 oldqflags |= QUOTAS_DENY_DISK;
 151                         }
 152
 153                         break;
 154                 case SMB_GROUP_FS_QUOTA_TYPE:
 155                         DEBUG(10,("sys_set_linux_v1_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 156                                 path, bdev, (unsigned)id.gid));
 157
 158                         if ((ret = quotactl(QCMD(Q_V1_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 159                                 oldqflags |= QUOTAS_DENY_DISK;
 160                         }
 161
 162                         break;
 163                 default:
 164                         errno = ENOSYS;
 165                         return -1;
 166         }
 167
 168         return ret;
 169 }
 170
 171 /****************************************************************************
 172  Abstract out the v2 Linux quota get calls.
 173 ****************************************************************************/
 174 static int sys_get_linux_v2_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 175 {
 176         int ret = -1;
 177         uint32 qflags = 0;
 178         struct v2_kern_dqblk D;
 179         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 180
 181         ZERO_STRUCT(D);
 182
 183         switch (qtype) {
 184                 case SMB_USER_QUOTA_TYPE:
 185                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 186                                 path, bdev, (unsigned)id.uid));
 187
 188                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))&&errno != EDQUOT) {
 189                                 return ret;
 190                         }
 191
 192                         break;
 193                 case SMB_GROUP_QUOTA_TYPE:
 194                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 195                                 path, bdev, (unsigned)id.gid));
 196
 197                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))&&errno != EDQUOT) {
 198                                 return ret;
 199                         }
 200
 201                         break;
 202                 case SMB_USER_FS_QUOTA_TYPE:
 203                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 204                                 path, bdev, (unsigned)id.uid));
 205
 206                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 207                                 qflags |= QUOTAS_DENY_DISK;
 208                         }
 209
 210                         break;
 211                 case SMB_GROUP_FS_QUOTA_TYPE:
 212                         DEBUG(10,("sys_get_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 213                                 path, bdev, (unsigned)id.gid));
 214
 215                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 216                                 qflags |= QUOTAS_DENY_DISK;
 217                         }
 218
 219                         break;
 220                 default:
 221                         errno = ENOSYS;
 222                         return -1;
 223         }
 224
 225         dp->bsize = bsize;
 226         dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
 227         dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
 228         dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
 229         dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
 230         dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
 231         dp->curblocks = (SMB_BIG_UINT)D.dqb_curspace/bsize;
 232
 233
 234         dp->qflags = qflags;
 235
 236         return ret;
 237 }
 238
 239 /****************************************************************************
 240  Abstract out the v2 Linux quota set calls.
 241 ****************************************************************************/
 242 static int sys_set_linux_v2_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 243 {
 244         int ret = -1;
 245         uint32 qflags = 0;
 246         uint32 oldqflags = 0;
 247         struct v2_kern_dqblk D;
 248         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 249
 250         ZERO_STRUCT(D);
 251
 252         if (bsize == dp->bsize) {
 253                 D.dqb_bsoftlimit = dp->softlimit;
 254                 D.dqb_bhardlimit = dp->hardlimit;
 255                 D.dqb_ihardlimit = dp->ihardlimit;
 256                 D.dqb_isoftlimit = dp->isoftlimit;
 257         } else {
 258                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
 259                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
 260                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 261                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
 262         }
 263
 264         qflags = dp->qflags;
 265
 266         switch (qtype) {
 267                 case SMB_USER_QUOTA_TYPE:
 268                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 269                                 path, bdev, (unsigned)id.uid));
 270
 271                         ret = quotactl(QCMD(Q_V2_SETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 272                         break;
 273                 case SMB_GROUP_QUOTA_TYPE:
 274                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 275                                 path, bdev, (unsigned)id.gid));
 276
 277                         ret = quotactl(QCMD(Q_V2_SETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 278                         break;
 279                 case SMB_USER_FS_QUOTA_TYPE:
 280                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 281                                 path, bdev, (unsigned)id.uid));
 282
 283                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 284                                 oldqflags |= QUOTAS_DENY_DISK;
 285                         }
 286
 287                         break;
 288                 case SMB_GROUP_FS_QUOTA_TYPE:
 289                         DEBUG(10,("sys_set_linux_v2_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 290                                 path, bdev, (unsigned)id.gid));
 291
 292                         if ((ret = quotactl(QCMD(Q_V2_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 293                                 oldqflags |= QUOTAS_DENY_DISK;
 294                         }
 295
 296                         break;
 297                 default:
 298                         errno = ENOSYS;
 299                         return -1;
 300         }
 301
 302         return ret;
 303 }
 304
 305 /****************************************************************************
 306  Abstract out the generic Linux quota get calls.
 307 ****************************************************************************/
 308 static int sys_get_linux_gen_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 309 {
 310         int ret = -1;
 311         uint32 qflags = 0;
 312         struct if_dqblk D;
 313         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 314
 315         ZERO_STRUCT(D);
 316
 317         switch (qtype) {
 318                 case SMB_USER_QUOTA_TYPE:
 319                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 320                                 path, bdev, (unsigned)id.uid));
 321
 322                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))&&errno != EDQUOT) {
 323                                 return ret;
 324                         }
 325
 326                         break;
 327                 case SMB_GROUP_QUOTA_TYPE:
 328                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 329                                 path, bdev, (unsigned)id.gid));
 330
 331                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))&&errno != EDQUOT) {
 332                                 return ret;
 333                         }
 334
 335                         break;
 336                 case SMB_USER_FS_QUOTA_TYPE:
 337                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 338                                 path, bdev, (unsigned)id.uid));
 339
 340                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 341                                 qflags |= QUOTAS_DENY_DISK;
 342                         }
 343
 344                         break;
 345                 case SMB_GROUP_FS_QUOTA_TYPE:
 346                         DEBUG(10,("sys_get_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 347                                 path, bdev, (unsigned)id.gid));
 348
 349                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 350                                 qflags |= QUOTAS_DENY_DISK;
 351                         }
 352
 353                         break;
 354                 default:
 355                         errno = ENOSYS;
 356                         return -1;
 357         }
 358
 359         dp->bsize = bsize;
 360         dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
 361         dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
 362         dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
 363         dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
 364         dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
 365         dp->curblocks = (SMB_BIG_UINT)D.dqb_curspace/bsize;
 366
 367
 368         dp->qflags = qflags;
 369
 370         return ret;
 371 }
 372
 373 /****************************************************************************
 374  Abstract out the gen Linux quota set calls.
 375 ****************************************************************************/
 376 static int sys_set_linux_gen_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 377 {
 378         int ret = -1;
 379         uint32 qflags = 0;
 380         uint32 oldqflags = 0;
 381         struct if_dqblk D;
 382         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 383
 384         ZERO_STRUCT(D);
 385
 386         if (bsize == dp->bsize) {
 387                 D.dqb_bsoftlimit = dp->softlimit;
 388                 D.dqb_bhardlimit = dp->hardlimit;
 389                 D.dqb_ihardlimit = dp->ihardlimit;
 390                 D.dqb_isoftlimit = dp->isoftlimit;
 391         } else {
 392                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
 393                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
 394                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 395                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
 396         }
 397
 398         qflags = dp->qflags;
 399
 400         switch (qtype) {
 401                 case SMB_USER_QUOTA_TYPE:
 402                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 403                                 path, bdev, (unsigned)id.uid));
 404
 405                         ret = quotactl(QCMD(Q_SETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 406                         break;
 407                 case SMB_GROUP_QUOTA_TYPE:
 408                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 409                                 path, bdev, (unsigned)id.gid));
 410
 411                         ret = quotactl(QCMD(Q_SETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 412                         break;
 413                 case SMB_USER_FS_QUOTA_TYPE:
 414                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 415                                 path, bdev, (unsigned)id.uid));
 416
 417                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D))==0) {
 418                                 oldqflags |= QUOTAS_DENY_DISK;
 419                         }
 420
 421                         break;
 422                 case SMB_GROUP_FS_QUOTA_TYPE:
 423                         DEBUG(10,("sys_set_linux_gen_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 424                                 path, bdev, (unsigned)id.gid));
 425
 426                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D))==0) {
 427                                 oldqflags |= QUOTAS_DENY_DISK;
 428                         }
 429
 430                         break;
 431                 default:
 432                         errno = ENOSYS;
 433                         return -1;
 434         }
 435
 436         return ret;
 437 }
 438
 439 /****************************************************************************
 440  Abstract out the Linux quota get calls.
 441 ****************************************************************************/
 442 int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 443 {
 444         int ret = -1;
 445
 446         if (!path||!bdev||!dp)
 447                 smb_panic("sys_set_vfs_quota: called with NULL pointer");
 448
 449         ZERO_STRUCT(*dp);
 450         dp->qtype = qtype;
 451
 452         switch (qtype) {
 453                 case SMB_USER_QUOTA_TYPE:
 454                 case SMB_GROUP_QUOTA_TYPE:
 455                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 456                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 457                                         if ((ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 458                                                 return ret;
 459                                         }
 460                                 }
 461                         }
 462
 463                         if ((dp->curblocks==0)&&
 464                                 (dp->softlimit==0)&&
 465                                 (dp->hardlimit==0)) {
 466                                 /* the upper layer functions don't want empty quota records...*/
 467                                 return -1;
 468                         }
 469
 470                         break;
 471                 case SMB_USER_FS_QUOTA_TYPE:
 472                         id.uid = getuid();
 473
 474                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 475                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 476                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 477                                 }
 478                         }
 479
 480                         ret = 0;
 481                         break;
 482                 case SMB_GROUP_FS_QUOTA_TYPE:
 483                         id.gid = getgid();
 484
 485                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 486                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))&&errno != EDQUOT) {
 487                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 488                                 }
 489                         }
 490
 491                         ret = 0;
 492                         break;
 493                 default:
 494                         errno = ENOSYS;
 495                         return -1;
 496         }
 497
 498         return ret;
 499 }
 500
 501 /****************************************************************************
 502  Abstract out the Linux quota set calls.
 503 ****************************************************************************/
 504 int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 505 {
 506         int ret = -1;
 507         uint32 oldqflags = 0;
 508
 509         if (!path||!bdev||!dp)
 510                 smb_panic("sys_set_vfs_quota: called with NULL pointer");
 511
 512         oldqflags = dp->qflags;
 513
 514         switch (qtype) {
 515                 case SMB_USER_QUOTA_TYPE:
 516                 case SMB_GROUP_QUOTA_TYPE:
 517                         if ((ret=sys_set_linux_gen_quota(path, bdev, qtype, id, dp))) {
 518                                 if ((ret=sys_set_linux_v2_quota(path, bdev, qtype, id, dp))) {
 519                                         if ((ret=sys_set_linux_v1_quota(path, bdev, qtype, id, dp))) {
 520                                                 return ret;
 521                                         }
 522                                 }
 523                         }
 524                         break;
 525                 case SMB_USER_FS_QUOTA_TYPE:
 526                         id.uid = getuid();
 527
 528                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))) {
 529                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))) {
 530                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 531                                 }
 532                         }
 533
 534                         if (oldqflags == dp->qflags) {
 535                                 ret = 0;
 536                         } else {
 537                                 ret = -1;
 538                         }
 539                         break;
 540                 case SMB_GROUP_FS_QUOTA_TYPE:
 541                         id.gid = getgid();
 542
 543                         if ((ret=sys_get_linux_gen_quota(path, bdev, qtype, id, dp))) {
 544                                 if ((ret=sys_get_linux_v2_quota(path, bdev, qtype, id, dp))) {
 545                                         ret=sys_get_linux_v1_quota(path, bdev, qtype, id, dp);
 546                                 }
 547                         }
 548
 549                         if (oldqflags == dp->qflags) {
 550                                 ret = 0;
 551                         } else {
 552                                 ret = -1;
 553                         }
 554
 555                         break;
 556                 default:
 557                         errno = ENOSYS;
 558                         return -1;
 559         }
 560
 561         return ret;
 562 }
 563
 564 #else /* HAVE_QUOTACTL_LINUX */
 565  void dummy_sysquotas_linux(void);
 566
 567  void dummy_sysquotas_linux(void){}
 568 #endif /* HAVE_QUOTACTL_LINUX */